autobuild[sn-devel-184]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-184) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-03-24-1011/flakey.log

The failure seems to be in the "samba-nt4" suite, whose build logs are available here:

   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-03-24-1011/samba-nt4.stderr
   https://git.samba.org/autobuild.flakey.sn-devel-184/2019-03-24-1011/samba-nt4.stdout
  
The top commit at the time of the failure was:

commit 7841c62ae4caeaa7bc13e7c6b8b930da7c22c97f
Author: Volker Lendecke <vl at samba.org>
Date:   Tue Mar 19 16:08:43 2019 +0100

    rpc_server3: Add a \n to a DEBUG message
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Jeremy Allison <jra at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Fri Mar 22 19:02:32 UTC 2019 on sn-devel-144

and the last 50 lines of the stdout log were:

[196(1112)/588 at 14m51s] samba3.raw.write(nt4_dc)
[197(1116)/588 at 14m52s] samba3.raw.samba3hide(nt4_dc)
[198(1117)/588 at 14m52s] samba3.raw.samba3badpath(nt4_dc)
[199(1118)/588 at 14m53s] samba3.raw.sfileinfo.rename(nt4_dc)
[200(1119)/588 at 14m53s] samba3.raw.session plain(nt4_dc)
[201(1121)/588 at 14m54s] samba3.raw.session enc(nt4_dc)
[202(1123)/588 at 14m54s] samba3.raw.samba3caseinsensitive(nt4_dc)
[203(1124)/588 at 14m54s] samba3.raw.samba3posixtimedlock(nt4_dc)
[204(1125)/588 at 15m0s] samba3.raw.samba3rootdirfid(nt4_dc)
[205(1126)/588 at 15m0s] samba3.raw.sfileinfo.end-of-file(nt4_dc)
[206(1127)/588 at 15m1s] samba3.raw.samba3checkfsp(nt4_dc)
[207(1128)/588 at 15m1s] samba3.raw.samba3closeerr(nt4_dc)
[208(1129)/588 at 15m1s] samba3.raw.samba3oplocklogoff(nt4_dc)
[209(1130)/588 at 15m1s] samba3.raw.samba3badnameblob(nt4_dc)
[210(1131)/588 at 15m2s] samba3.smb2.getinfo(nt4_dc)
[211(1137)/588 at 15m2s] samba3.smb2.lock aio(nt4_dc)
[212(1158)/588 at 15m5s] samba3.smb2.lock(nt4_dc)
[213(1179)/588 at 15m8s] samba3.smb2.read(nt4_dc)
[214(1183)/588 at 15m8s] samba3.smb2.aio_delay(nt4_dc)
[215(1184)/588 at 15m12s] samba3.smb2.create(nt4_dc)
[216(1197)/588 at 15m14s] samba3.smb2.twrp(nt4_dc)
[217(1197)/588 at 15m14s] samba3.smb2.acls(nt4_dc)
[218(1210)/588 at 15m17s] samba3.smb2.notify(nt4_dc)
TESTING CHANGE NOTIFY ON DIRECTORIES
Testing notify cancel
Testing notify mkdir
Testing notify rmdir
Testing notify mkdir - rmdir - mkdir - rmdir
Testing buffered notify on create of 10 files
Testing notify on unlink for the first file
UNEXPECTED(failure): samba3.smb2.notify.dir(nt4_dc)
REASON: Exception: Exception: (../../source4/torture/smb2/notify.c:398) wrong value for notify.smb2.out.num_changes  0x9 should be 0xa

FAILED (1 failures, 0 errors and 0 unexpected successes in 0 testsuites)

A summary with detailed information can be found in:
  ./bin/ab/summary
TOP 10 slowest tests
samba3.raw.notify(nt4_dc) -> 107
samba3.raw.search(nt4_dc) -> 68
samba3.blackbox.net.rpc.conf(nt4_dc) -> 59
samba3.base.dir2(nt4_dc) -> 55
samba3.raw.oplock(nt4_dc) -> 46
samba3.blackbox.net.local.conf(nt4_dc:local) -> 41
samba3.raw.lock(nt4_dc) -> 34
samba3.smbtorture_s3.crypt_client.OPLOCK1(nt4_dc) -> 30
samba3.raw.search(nt4_dc) -> 24
samba3.base.lock(nt4_dc) -> 20
ERROR: test failed with exit code 1
Makefile:16: recipe for target 'test' failed